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 May 20
 1874:
Levi Strauss received a patent for making blue jeans with
copper rivets. 1895: Reginald Mitchell, designer of the famous Spitfire airplane that
beat back the German Luftwaffe in WWII, was born. 1901:
Hideo Shima,
Japanese designer of the world's first "bullet train," was born. 1913:
William R. (Bill)
Hewlett, co-founder of Hewlett Packard, was born. 1921: Marie Curie was presented
with a gram of radium worth $100k at the White House. 1927:
Charles
Lindbergh took off from New York to cross the Atlantic for Paris aboard his
airplane the "Spirit of St. Louis" (a 33-1/2 hour flight). 1932:
Amelia Earhart took off to fly solo across the Atlantic Ocean,
becoming the first woman to achieve the feat. 1940: Igor Sikorsky demonstrated his
helicopter to the public. 1956: The first
hydrogen fusion bomb (H-bomb) to be dropped from an airplane exploded
over Namu Atoll at the northwest edge of the Bikini Atoll. 1982:
Merle
Tuve who first used pulsed radio waves to explore the ionosphere, died. 1990:
The
Hubble Space Telescope sent its first photograph from space. 2012: 1915:
Eugene Polley,
inventor of the TV remote, died.
| Jan
| Feb | Mar |
Apr | May |
Jun | Jul |
Aug | Sep |
Oct | Nov |
Dec |
Note: These
historical tidbits have been collected from various sources, mostly on the Internet.
As detailed in
this article, there
is a lot of wrong information that is repeated hundreds of times because most websites
do not validate with authoritative sources. On RF Cafe, events with
hyperlinks have been verified. Many years ago,
I began commemorating the birthdays of notable people and events with
special RF Cafe logos.
Where available, I like to use images from postage stamps from the country where
the person or event occurred. Images used in the logos are often from open source
websites like Wikipedia, and are specifically credited with a hyperlink back to
the source where possible.
Fair Use laws permit
small samples of copyrighted content.
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